KLEENGUARD A40 Liquid and Particle Protection Lab Coats, Kimberly-Clark - Size 3X-Large : Lab coats provide an excellent particle barrier and resist nonhazardous liquids. They are designed to be used in applications where Tyvek garments are typically worn. KLEENGUARD A40 is a lamination of microporous film and a spunbond nonwoven material. KLEENGUARD A40 laminate has a dry particle holdout of 100% between 0.3-0.5um. Lab coats feature a collar and two pockets. Color: white. Meet ANSI/ISEA 101-1996.